Thunderbird V6-232 3.8L SC (1989)
Bowl Vent Valve: Description and Operation
Auxiliary Fuel Bowl Vent Tube
Fig. 44 Auxiliary fuel bowl vent tube
Used on some vehicles, this auxiliary vent tube, Fig. 44, is teed into the primary fuel bowl vent tube to vent the fuel bowl when the internal vent is
closed (external vent is closed) and the solenoid or thermal vent valves are closed. This tube is vented to the air cleaner.
